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ladessa [460]
3 years ago
10

What is the independent variable in an experiment?

Chemistry
2 answers:
Varvara68 [4.7K]3 years ago
7 0
The first answer is B and the second answer is B
Lapatulllka [165]3 years ago
4 0
Pick b for the three question it’s valueble
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Total number of heat absorbed is 4.08kJ

Explanation:

Explanation is contained in the picture attached

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What is the specific heat of a substance if 1450 calories are required to raise the temperature of a 240g sample by 20℃?
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3 years ago
Carbon dioxide in the atmosphere dissolves in raindrops to produce carbonic acid (H2CO3), causing the pH of clean, unpolluted ra
anastassius [24]

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The range of [H⁺] is from 2.51 x 10⁻⁶ M to 6.31 x 10⁻⁶ M,

Explanation:

To answer this problem we need to keep in mind the <u>definition of pH</u>:

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So now we <u>calculate [H⁺] using a pH value of 5.2 and of 5.6</u>:

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